time-to-botec

Benchmark sampling in different programming languages
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README.md (2239B)


      1 <!--
      2 
      3 @license Apache-2.0
      4 
      5 Copyright (c) 2018 The Stdlib Authors.
      6 
      7 Licensed under the Apache License, Version 2.0 (the "License");
      8 you may not use this file except in compliance with the License.
      9 You may obtain a copy of the License at
     10 
     11    http://www.apache.org/licenses/LICENSE-2.0
     12 
     13 Unless required by applicable law or agreed to in writing, software
     14 distributed under the License is distributed on an "AS IS" BASIS,
     15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     16 See the License for the specific language governing permissions and
     17 limitations under the License.
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     19 -->
     20 
     21 # propertyDescriptors
     22 
     23 > Return an object's own [property descriptors][@stdlib/utils/property-descriptor].
     24 
     25 <section class="usage">
     26 
     27 ## Usage
     28 
     29 ```javascript
     30 var propertyDescriptors = require( '@stdlib/utils/property-descriptors' );
     31 ```
     32 
     33 #### propertyDescriptors( obj )
     34 
     35 Returns an object's own [property descriptors][@stdlib/utils/property-descriptor].
     36 
     37 ```javascript
     38 var obj = {
     39     'a': 1,
     40     'b': 2
     41 };
     42 
     43 var desc = propertyDescriptors( obj );
     44 // returns { 'a': {...}, 'b': {...} }
     45 ```
     46 
     47 </section>
     48 
     49 <!-- /.usage -->
     50 
     51 <section class="notes">
     52 
     53 ## Notes
     54 
     55 -   This function differs from the built-in `Object.getOwnPropertyDescriptors()` as follows:
     56 
     57     -   If provided `null` or `undefined`, the function returns an empty `object`, rather than throwing an error.
     58 
     59 </section>
     60 
     61 <!-- /.notes -->
     62 
     63 <section class="examples">
     64 
     65 ## Examples
     66 
     67 <!-- eslint no-undef: "error" -->
     68 
     69 ```javascript
     70 var defineProperty = require( '@stdlib/utils/define-property' );
     71 var propertyDescriptors = require( '@stdlib/utils/property-descriptors' );
     72 
     73 function Foo() {
     74     this.beep = 'boop';
     75     this.a = {
     76         'b': 'c'
     77     };
     78     defineProperty( this, 'baz', {
     79         'value': 'qux',
     80         'configurable': true,
     81         'writable': true,
     82         'enumerable': false
     83     });
     84     return this;
     85 }
     86 
     87 Foo.prototype.foo = [ 'bar' ];
     88 
     89 var obj = new Foo();
     90 var desc = propertyDescriptors( obj );
     91 
     92 console.log( desc );
     93 // => { 'beep': {...}, 'a': {...}, 'baz': {...} }
     94 ```
     95 
     96 </section>
     97 
     98 <!-- /.examples -->
     99 
    100 <section class="links">
    101 
    102 [@stdlib/utils/property-descriptor]: https://www.npmjs.com/package/@stdlib/utils/tree/main/property-descriptor
    103 
    104 </section>
    105 
    106 <!-- /.links -->